OBD-II DTC · SAE J2012

P2D25

Turbocharger Interstage Pressure Sensor A Circuit Intermittent/Erratic

Turbo / Boost → Do NOT suppress

What P2D25 means

P2D25 is a standard SAE J2012 powertrain diagnostic trouble code with the defined meaning: Turbocharger Interstage Pressure Sensor A Circuit Intermittent/Erratic. This is the OEM-agnostic definition; specific manufacturer interpretation may add detail (subsystem, bank, sensor location) but the core meaning is consistent across all OBD-II compliant vehicles since 1996.

Common symptoms when P2D25 is active

Overboost cut, underboost limp, wastegate stuck open / closed, swirl flap warnings, intermittent power-loss with no obvious mechanical fault.

Can this code be suppressed via ECU tuning?

Generally NOT recommended to suppress without fixing the underlying issue. Boost-related DTCs often indicate genuine turbo or wastegate problems that warrant inspection.

How to remove P2D25 with Softechpro V5

Recommended service: DTC OFF (boost branch). Step-by-step workflow:

  1. Diagnose the underlying boost issue first — boost-related codes usually indicate a real fault (wastegate, hose, MAP sensor).
  2. If the fault is benign or already fixed: open Softechpro V5 and load the bin.
  3. Pick DTC OFF and select the boost / turbo DTC group — Softechpro lets you suppress only the codes you specify, not the entire DTC table.
  4. Save the patched .bin and flash back. If the wastegate is actually stuck, suppressing the code will not fix the symptom.

Softechpro V5 supports 1,400+ ECU firmwares across Bosch (EDC15, EDC16, EDC17, MD1, MG1, ME7, MED17), Siemens / Continental (SID, SIMOS, EMS), Delphi (DCM, DDC), and Magneti Marelli platforms.

Related codes in the P2Dxx family

P2D00P2D01P2D02P2D03P2D04P2D05P2D06P2D07P2D08P2D09P2D0AP2D0B